Periprosthetic fractures may be more likely in cementless femoral stems with sharp edges

@article{Hu2010PeriprostheticFM,
  title={Periprosthetic fractures may be more likely in cementless femoral stems with sharp edges},
  author={Kunzhong Hu and Xian-long Zhang and Junfeng Zhu and Chihsiung Wang and Wen-ting Ji and Xuedong Bai},
  journal={Irish Journal of Medical Science},
  year={2010},
  volume={179},
  pages={417-421}
}
BackgroundMany contour designs have been developed to improve the femoral stem in cementless total hip arthroplasty.AimsTo assess the initial interfacial micromotion and stress distribution.MethodsThe prosthesis–bone interfacial micromotions and stress distributions of four commonly used femoral stems were assessed by finite element simulation: Alloclassic, Ribbed Anatomic, VerSys, and Secur-Fit. The proximal interfacial micromotions and stress distributions were calculated under the loading… CONTINUE READING
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